Disconnect Vehicle support

src/FlightMap/Widgets/QGCInstrumentWidget.qml

@@ -131,7 +131,7 @@ Item {
             Rectangle {
                 anchors.fill:   _valuesWidget
                 color:          _backgroundColor
-                visible:        !_showCompass && _activeVehicle
+                visible:        !_showCompass
                 radius:         _spacing
             }
 
@@ -145,7 +145,6 @@ Item {
             }
         }
 
-
         Rectangle {
             id:                 _spacer2
             height:             1

src/FlightMap/Widgets/ValuesWidget.qml

@@ -33,7 +33,6 @@ import QGroundControl               1.0
 
 QGCFlickable {
     id:                 _root
-    visible:            _activeVehicle
     height:             Math.min(maxHeight, _smallFlow.y + _smallFlow.height)
     contentHeight:      _smallFlow.y + _smallFlow.height
     flickableDirection: Flickable.VerticalFlick
@@ -43,7 +42,7 @@ QGCFlickable {
     property color  textColor
     property var    maxHeight
 
-    property var    _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle
+    property var    _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle ? QGroundControl.multiVehicleManager.activeVehicle : QGroundControl.multiVehicleManager.disconnectedVehicle
     property real   _margins:       ScreenTools.defaultFontPixelWidth / 2
 
     QGCPalette { id:qgcPal; colorGroupEnabled: true }

src/FlightMap/Widgets/VibrationWidget.qml

@@ -33,7 +33,6 @@ import QGroundControl               1.0
 
 QGCFlickable {
     id:                 _root
-    visible:            _activeVehicle
     height:             Math.min(maxHeight, innerItem.height)
     contentHeight:      innerItem.height
     flickableDirection: Flickable.VerticalFlick
@@ -43,7 +42,7 @@ QGCFlickable {
     property color  backgroundColor
     property var    maxHeight
 
-    property var    _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle
+    property var    _activeVehicle: QGroundControl.multiVehicleManager.activeVehicle ? QGroundControl.multiVehicleManager.activeVehicle : QGroundControl.multiVehicleManager.disconnectedVehicle
     property real   _margins:       ScreenTools.defaultFontPixelWidth / 2
     property real   _barWidth:      Math.round(ScreenTools.defaultFontPixelWidth * 3)
 

src/QmlControls/QGroundControlQmlGlobal.h

@@ -55,7 +55,7 @@ public:
     Q_PROPERTY(LinkManager*         linkManager         READ linkManager            CONSTANT)
     Q_PROPERTY(MissionCommands*     missionCommands     READ missionCommands        CONSTANT)
     Q_PROPERTY(MultiVehicleManager* multiVehicleManager READ multiVehicleManager    CONSTANT)
-    Q_PROPERTY(QGCMapEngineManager*  mapEngineManager  READ mapEngineManager     CONSTANT)
+    Q_PROPERTY(QGCMapEngineManager* mapEngineManager    READ mapEngineManager       CONSTANT)
 
     Q_PROPERTY(qreal                zOrderTopMost       READ zOrderTopMost          CONSTANT) ///< z order for top most items, toolbar, main window sub view
     Q_PROPERTY(qreal                zOrderWidgets       READ zOrderWidgets          CONSTANT) ///< z order value to widgets, for example: zoom controls, hud widgetss

src/Vehicle/MultiVehicleManager.cc

@@ -50,6 +50,7 @@ MultiVehicleManager::MultiVehicleManager(QGCApplication* app)
     , _activeVehicleAvailable(false)
     , _parameterReadyVehicleAvailable(false)
     , _activeVehicle(NULL)
+    , _disconnectedVehicle(NULL)
     , _firmwarePluginManager(NULL)
     , _autopilotPluginManager(NULL)
     , _joystickManager(NULL)
@@ -66,6 +67,8 @@ MultiVehicleManager::MultiVehicleManager(QGCApplication* app)
     if (_gcsHeartbeatEnabled) {
         _gcsHeartbeatTimer.start();
     }
+
+    _disconnectedVehicle = new Vehicle(this);
 }
 
 void MultiVehicleManager::setToolbox(QGCToolbox *toolbox)

src/Vehicle/MultiVehicleManager.h

@@ -57,6 +57,9 @@ public:
     Q_PROPERTY(QmlObjectListModel*  vehicles                        READ vehicles                                                       CONSTANT)
     Q_PROPERTY(bool                 gcsHeartBeatEnabled             READ gcsHeartbeatEnabled            WRITE setGcsHeartbeatEnabled    NOTIFY gcsHeartBeatEnabledChanged)
 
+    /// A disconnected vehicle is used to access FactGroup information for the Vehicle object when no active vehicle is available
+    Q_PROPERTY(Vehicle*             disconnectedVehicle             MEMBER _disconnectedVehicle                                         CONSTANT)
+
     // Methods
 
     Q_INVOKABLE Vehicle* getVehicleById(int vehicleId);
@@ -104,6 +107,7 @@ private:
     bool        _activeVehicleAvailable;            ///< true: An active vehicle is available
     bool        _parameterReadyVehicleAvailable;    ///< true: An active vehicle with ready parameters is available
     Vehicle*    _activeVehicle;                     ///< Currently active vehicle from a ui perspective
+    Vehicle*    _disconnectedVehicle;               ///< Disconnected vechicle for FactGroup access
 
     QList<Vehicle*> _vehiclesBeingDeleted;          ///< List of Vehicles being deleted in queued phases
     Vehicle*        _vehicleBeingSetActive;         ///< Vehicle being set active in queued phases